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All results from a given calculation for CH2PH (Phosphaethene)

using model chemistry: G3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G3
 hartrees
Energy at 0K-381.036376
Energy at 298.15K-381.032303
HF Energy-380.287052
Nuclear repulsion energy48.999019
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HF/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3425 3227 1.65      
2 A' 3337 3144 9.24      
3 A' 2558 2411 178.14      
4 A' 1613 1520 0.37      
5 A' 1142 1076 44.77      
6 A' 1093 1030 1.32      
7 A' 816 769 1.51      
8 A" 1040 980 65.18      
9 A" 951 896 23.96      

Unscaled Zero Point Vibrational Energy (zpe) 7987.3 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 7525.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-31G*
ABC
4.64257 0.54456 0.48739

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 1.074 0.000
P2 0.056 -0.598 0.000
H3 -0.832 1.700 0.000
H4 1.006 1.603 0.000
H5 -1.356 -0.772 0.000

Atom - Atom Distances (Å)
  C1 P2 H3 H4 H5
C11.67261.08671.08682.3238
P21.67262.46432.39761.4224
H31.08672.46431.84032.5265
H41.08682.39761.84033.3488
H52.32381.42242.52653.3488

picture of Phosphaethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H5 98.893 P2 C1 H3 125.037
P2 C1 H4 119.612 H3 C1 H4 115.351
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability